Govt Exams Mock Test FREE | Online Quiz Competition

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

6.2 mA

5.5 mA

4.5 mA

3.6 mA

Q2. In voltage divider bias, \(V_{CC} = 20\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 3 \: k\Omega;\) and \(R_E =1.5\: k\Omega\). What is the emitter voltage?

4.96 V

5.66 V

3.8 V

4.26 V

Q3. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

125 and 125

125 and 250

250 and 125

250 and 250

Q4. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

23dB

25dB

46dB

50dB

Q5. Assuming that the diodes in the given circuit are ideal, the voltage \(V_o\) is ____V.

4

5

7.5

12.12

Q6. The maximum efficiency of a full wave rectification is

40.6%

100%

81.2%

85.6%

Q7. Introducing a resistor in the emitter of a common emitter amplifier stabilizes the dc operating point against variations in

Only temperature

Only the β of the transistor

Both temperature and β

None of the above

Q8. The value of \(I_Z\) shown in the given circuit is_____________.

0.02 mA

0.02 A

0.08 A

0.08 mA

Q9. Which of the following is one of the resistance level in a diode, according to the applied signal?

large DC signal

Static (AC signal)

Static (large AC signal)

Dynamic (small AC signal)

Q10. In the operational transconductance amplifier, the transconductance is controlled by

The ac supply voltage

A bias current

The input signal voltage

The manufacturing process

Quiz

Year 2024

June
Week # 3 Quiz 3

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

Q2. In voltage divider bias, \(V_{CC} = 20\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 3 \: k\Omega;\) and \(R_E =1.5\: k\Omega\). What is the emitter voltage?

Q3. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

Q4. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q5. Assuming that the diodes in the given circuit are ideal, the voltage \(V_o\) is ____V.

Q6. The maximum efficiency of a full wave rectification is

Q7. Introducing a resistor in the emitter of a common emitter amplifier stabilizes the dc operating point against variations in

Q8. The value of \(I_Z\) shown in the given circuit is_____________.

Q9. Which of the following is one of the resistance level in a diode, according to the applied signal?

Q10. In the operational transconductance amplifier, the transconductance is controlled by

Quiz

Year 2024

October Week # 1 Expire on 31 Oct 2024

October Week # 2 Expire on 07 Nov 2024

October Week # 3 Expire on 14 Nov 2024

October Week # 4 Expire on 21 Nov 2024

June Week # 3 Quiz 3

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

Q2. In voltage divider bias, \(V_{CC} = 20\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 3 \: k\Omega;\) and \(R_E =1.5\: k\Omega\). What is the emitter voltage?

Q3. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

Q4. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q5. Assuming that the diodes in the given circuit are ideal, the voltage \(V_o\) is ____V.

Q6. The maximum efficiency of a full wave rectification is

Q7. Introducing a resistor in the emitter of a common emitter amplifier stabilizes the dc operating point against variations in

Q8. The value of \(I_Z\) shown in the given circuit is_____________.

Q9. Which of the following is one of the resistance level in a diode, according to the applied signal?

Q10. In the operational transconductance amplifier, the transconductance is controlled by

Record & Track Your Performance

June
Week # 3 Quiz 3